iGCSE CS U4

part of an OS that carries out certain functions such as virus checking, defragmentation etc

• utilities programs
• heuristic checking
• bootstrap loader
• WIMP

A Trojan Horse is an example of

• malware
• anti-virus software
• defragmentation
• device driver

Software that quarantines and deletes malware is called

• anti-virus software
• WIMP
• security management
• bootstrap loader

checking software for behaviour that could indicate the prescence of a virus

• heuristic checking
• malware
• memory management
• debugging

to isolate an infected file / application

• quarantine
• defragmentation
• memory management
• debugging

reorganising sectors on an HDD so they are next to each other

• defragmentation
• memory management
• debugging
• ISR

next to each other

• contiguous
• buffer
• assembler

make copies of files onto another storage device to prevent data from being lost

• back-up
• buffer
• compiler

software that shows an image / animation on a screen after a period of inactivity

• screensaver
• buffer
• contiguous

software that communicates between a specific hardware device and the operating system

• device driver
• utilities programs
• hardware management